
1) British vocal group 2) English girl group 3) Vocal trio
Found on
https://www.crosswordclues.com/clue/soundgirl

SoundGirl was a London-based band that consisted of Olivia Redmond, Izzy Beardshaw, and Nicole Shortland. Their debut single `I`m the Fool` features UK rapper Twizzle. They have opened for Justin Bieber, The Wanted, Scouting For Girls and Pixie Lott on tour. However, the band split up in April 2012 after just one charting single, `Don`t Know ...
Found on
http://en.wikipedia.org/wiki/SoundGirl
No exact match found.